Home / 3,107.52-4,663.13-1,161.09

Finding the Fourth Proportional to 3,107.52, 4,663.13 and 1,161.09

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Solution

The fourth proportional to 3,107.52, 4,663.13 and 1,161.09 is: 1,742.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.52 : 4,663.13 = 1,161.09 : x
  2. Step 2: Convert to fraction form
    3,107.52/4,663.13 = 1,161.09/x
  3. Step 3: Cross multiply
    3,107.52x = 4,663.13 × 1,161.09
  4. Step 4: Simplify right side
    3,107.52x = 5,414,307.81
  5. Step 5: Solve for x
    x = 5,414,307.81/3,107.52
  6. Step 6: Final answer
    x = 1,742.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.